99670942 has 32 divisors (see below), whose sum is σ = 176451840. Its totient is φ = 41342400.

The previous prime is 99670931. The next prime is 99670943. The reversal of 99670942 is 24907699.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 99670892 and 99670901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99670943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54442 + ... + 56242.

It is an arithmetic number, because the mean of its divisors is an integer number (5514120).

Almost surely, 2^99670942 is an apocalyptic number.

99670942 is a deficient number, since it is larger than the sum of its proper divisors (76780898).

99670942 is a wasteful number, since it uses less digits than its factorization.

99670942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 99670942 is about 9983.5335427893. The cubic root of 99670942 is about 463.6492065949.

The spelling of 99670942 in words is "ninety-nine million, six hundred seventy thousand, nine hundred forty-two".